ABAP Select data from SAP table PAPBSGB_SWF_CTRL into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PAPBSGB_SWF_CTRL table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to PAPBSGB_SWF_CTRL. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the PAPBSGB_SWF_CTRL table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_PAPBSGB_SWF_CTRL TYPE STANDARD TABLE OF PAPBSGB_SWF_CTRL,
      WA_PAPBSGB_SWF_CTRL TYPE PAPBSGB_SWF_CTRL,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: <PAPBSGB_SWF_CTRL> TYPE PAPBSGB_SWF_CTRL.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PAPBSGB_SWF_CTRL.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PAPBSGB_SWF_CTRL
  INTO TABLE IT_PAPBSGB_SWF_CTRL.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PAPBSGB_SWF_CTRL
*  INTO TABLE @DATA(IT_PAPBSGB_SWF_CTRL2).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_PAPBSGB_SWF_CTRL INDEX 1 INTO DATA(WA_PAPBSGB_SWF_CTRL2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PAPBSGB_SWF_CTRL ASSIGNING <PAPBSGB_SWF_CTRL>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PAPBSGB_SWF_CTRL>-MANDT = 1.
<PAPBSGB_SWF_CTRL>-CYEAR = 1.
<PAPBSGB_SWF_CTRL>-CTERM = 1.
<PAPBSGB_SWF_CTRL>-LEVEL1 = 1.
<PAPBSGB_SWF_CTRL>-LEA = 1.

ENDLOOP.

LOOP AT IT_PAPBSGB_SWF_CTRL INTO WA_PAPBSGB_SWF_CTRL.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PAPBSGB_SWF_CTRL-ESTB, sy-vline,
  WA_PAPBSGB_SWF_CTRL-SEQNR, sy-vline,
  WA_PAPBSGB_SWF_CTRL-FTYPE, sy-vline,
  WA_PAPBSGB_SWF_CTRL-APPRV, sy-vline,
  WA_PAPBSGB_SWF_CTRL-AEDTM, sy-vline,
  WA_PAPBSGB_SWF_CTRL-ATIME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PAPBSGB_SWF_CTRL you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_PAPBSGB_SWF_CTRL TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_PAPBSGB_SWF_CTRL INTO WA_PAPBSGB_SWF_CTRL.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.

*Conversion exit GJAHR, internal->external for field CYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PAPBSGB_SWF_CTRL-CYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PAPBSGB_SWF_CTRL-CYEAR.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_PAPBSGB_SWF_CTRL_STR, 
MANDT TYPE STRING,
CYEAR TYPE STRING,
CTERM TYPE STRING,
LEVEL1 TYPE STRING,
LEA TYPE STRING,
ESTB TYPE STRING,
SEQNR TYPE STRING,
FTYPE TYPE STRING,
APPRV TYPE STRING,
AEDTM TYPE STRING,
ATIME TYPE STRING,
UNAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PAPBSGB_SWF_CTRL_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_PAPBSGB_SWF_CTRL_STR-MANDT sy-vline 
WA_PAPBSGB_SWF_CTRL_STR-CYEAR sy-vline 
WA_PAPBSGB_SWF_CTRL_STR-CTERM sy-vline 
WA_PAPBSGB_SWF_CTRL_STR-LEVEL1 sy-vline 
WA_PAPBSGB_SWF_CTRL_STR-LEA sy-vline 
WA_PAPBSGB_SWF_CTRL_STR-ESTB sy-vline 
WA_PAPBSGB_SWF_CTRL_STR-SEQNR sy-vline 
WA_PAPBSGB_SWF_CTRL_STR-FTYPE sy-vline 
WA_PAPBSGB_SWF_CTRL_STR-APPRV sy-vline 
WA_PAPBSGB_SWF_CTRL_STR-AEDTM sy-vline 
WA_PAPBSGB_SWF_CTRL_STR-ATIME sy-vline 
WA_PAPBSGB_SWF_CTRL_STR-UNAME sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.